Add the Lisbon Map and Credit Copernicus DEM (#2545)

## Description:

Adds a map based on Lisbon and the surrounding area. Also credits the
ESA's Copernicus Digital Elevation Model, which was used to create this
map and the Gulf of St. Lawrence map.

<img width="1257" height="1257" alt="screenshot of the new Lisbon map"
src="https://github.com/user-attachments/assets/39fa73da-c77d-4d5c-8d00-7ee2794d0298"
/>

## Checklist:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Discord Username:

sehentsin

Author: jachisc

CREDITS.md

@@ -23,6 +23,11 @@ Pritchard, H.D., Fretwell, P.T., Fremand, A.C. et al. Bedmap3 updated ice bed, s
 [https://doi.org/10.1038/s41597-025-04672-y](https://doi.org/10.1038/s41597-025-04672-y)  
 Licensed under [CC-BY 4.0](https://creativecommons.org/licenses/by/4.0/)
 
+### Copernicus Global Digital Elevation Models
+
+© DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved.
+License: (https://docs.sentinel-hub.com/api/latest/static/files/data/dem/resources/license/License-COPDEM-30.pdf)
+
 ## Icons
 
 ### [The Noun Project](https://thenounproject.com/)

map-generator/assets/maps/lisbon/image.png

@@ -0,0 +1,95 @@
+{
+  "name": "Lisbon",
+  "nations": [
+    {
+      "coordinates": [750, 630],
+      "name": "Lisbon",
+      "strength": 3,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [602, 450],
+      "name": "Amadora",
+      "strength": 2,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [120, 644],
+      "name": "Cascais",
+      "strength": 1,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [372, 334],
+      "name": "Pero Pinheiro",
+      "strength": 1,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [214, 36],
+      "name": "Ericeira",
+      "strength": 1,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [924, 210],
+      "name": "Alverca do Ribatejo",
+      "strength": 2,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [680, 760],
+      "name": "Almada",
+      "strength": 2,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [944, 808],
+      "name": "Barreiro",
+      "strength": 2,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [1078, 630],
+      "name": "Montijo",
+      "strength": 2,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [762, 1266],
+      "name": "Sesimbra",
+      "strength": 1,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [1330, 60],
+      "name": "Samora Correia",
+      "strength": 2,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [1506, 412],
+      "name": "Pegoes",
+      "strength": 1,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [1210, 1100],
+      "name": "Setubal",
+      "strength": 3,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [1560, 1186],
+      "name": "Sado",
+      "strength": 1,
+      "flag": "pt"
+    },
+    {
+      "coordinates": [1470, 1470],
+      "name": "Carvalhal",
+      "strength": 1,
+      "flag": "pt"
+    }
+  ]
+}

map-generator/assets/maps/lisbon/info.json

@@ -36,6 +36,7 @@ var maps = []struct {
 	{Name: "iceland"},
 	{Name: "italia"},
 	{Name: "japan"},
+	{Name: "lisbon"},
 	{Name: "mars"},
 	{Name: "mena"},
 	{Name: "montreal"},

map-generator/main.go

@@ -210,7 +210,8 @@
     "achiran": "Achiran",
     "baikalnukewars": "Baikal (Nuke Wars)",
     "fourislands": "Four Islands",
-    "gulfofstlawrence": "Gulf of St. Lawrence"
+    "gulfofstlawrence": "Gulf of St. Lawrence",
+    "lisbon": "Lisbon"
   },
   "map_categories": {
     "continental": "Continental",

resources/lang/en.json

@@ -0,0 +1,110 @@
+{
+  "map": {
+    "height": 1600,
+    "num_land_tiles": 1495986,
+    "width": 1600
+  },
+  "map16x": {
+    "height": 400,
+    "num_land_tiles": 90227,
+    "width": 400
+  },
+  "map4x": {
+    "height": 800,
+    "num_land_tiles": 369447,
+    "width": 800
+  },
+  "name": "Lisbon",
+  "nations": [
+    {
+      "coordinates": [750, 630],
+      "flag": "pt",
+      "name": "Lisbon",
+      "strength": 3
+    },
+    {
+      "coordinates": [602, 450],
+      "flag": "pt",
+      "name": "Amadora",
+      "strength": 2
+    },
+    {
+      "coordinates": [120, 644],
+      "flag": "pt",
+      "name": "Cascais",
+      "strength": 1
+    },
+    {
+      "coordinates": [372, 334],
+      "flag": "pt",
+      "name": "Pero Pinheiro",
+      "strength": 1
+    },
+    {
+      "coordinates": [214, 36],
+      "flag": "pt",
+      "name": "Ericeira",
+      "strength": 1
+    },
+    {
+      "coordinates": [924, 210],
+      "flag": "pt",
+      "name": "Alverca do Ribatejo",
+      "strength": 2
+    },
+    {
+      "coordinates": [680, 760],
+      "flag": "pt",
+      "name": "Almada",
+      "strength": 2
+    },
+    {
+      "coordinates": [944, 808],
+      "flag": "pt",
+      "name": "Barreiro",
+      "strength": 2
+    },
+    {
+      "coordinates": [1078, 630],
+      "flag": "pt",
+      "name": "Montijo",
+      "strength": 2
+    },
+    {
+      "coordinates": [762, 1266],
+      "flag": "pt",
+      "name": "Sesimbra",
+      "strength": 1
+    },
+    {
+      "coordinates": [1330, 60],
+      "flag": "pt",
+      "name": "Samora Correia",
+      "strength": 2
+    },
+    {
+      "coordinates": [1506, 412],
+      "flag": "pt",
+      "name": "Pegoes",
+      "strength": 1
+    },
+    {
+      "coordinates": [1210, 1100],
+      "flag": "pt",
+      "name": "Setubal",
+      "strength": 3
+    },
+    {
+      "coordinates": [1560, 1186],
+      "flag": "pt",
+      "name": "Sado",
+      "strength": 1
+    },
+    {
+      "coordinates": [1470, 1470],
+      "flag": "pt",
+      "name": "Carvalhal",
+      "strength": 1
+    }
+  ]
+}