Fix emojis and typos

Author: swappermarket

.github/ISSUE_TEMPLATE/---documentation.md

@@ -1,5 +1,5 @@
 ---
-name: ":books: Documentation"
+name: "\U0001F4DA Documentation"
 about: Did you find errors, problems, or anything unclear in the docs (https://docs.nodechain.swapper.market)?
 title: ''
 labels: docs

.github/ISSUE_TEMPLATE/---everything-else.md

@@ -1,5 +1,5 @@
 ---
-name: ":question: Everything Else"
+name: "\U00002753 Everything Else"
 about: Do you have a question/issue that does not fall into any of the other categories?
 title: ''
 labels: question

.github/ISSUE_TEMPLATE/---feature-request.md

@@ -1,5 +1,5 @@
 ---
-name: ":bulb: Feature Request"
+name: "\U0001F4A1 Feature Request"
 about: Do you have ideas for new features and improvements?
 title: ''
 labels: enhancement

README.md

@@ -145,7 +145,7 @@ Please read [Contribution Guidelines](https://github.com/swapper-org/NodeChain/b
 
 ## Docs
 We use [Swagger](https://swagger.io/) for docs.
-All the documentation concerning Nodechain is available at [Nodechain Docs](https://docs.nodechain.swapper.market)
+All the documentation concerning Nodechain is available at [NodeChain Docs](https://docs.nodechain.swapper.market)
 
 All changes to the documentation must be made in the [NodeChain-docs](https://github.com/swapper-org/NodeChain-docs) repository.