fix: use angle brackets for API key placeholder to avoid Gitleaks warnings

Changed YOUR_API_KEY to <YOUR_API_KEY> across all API docs

Author: DevanshuNEU

frontend/src/pages/api/APIAnalysisPage.tsx

@@ -72,7 +72,7 @@ export function APIAnalysisPage() {
 
       <h4 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mt-6 mb-2">Example</h4>
       <DocsCodeBlock language="bash">
-{`curl -H "Authorization: Bearer YOUR_API_KEY" \\
+{`curl -H "Authorization: Bearer <YOUR_API_KEY>" \\
   http://localhost:8000/api/v1/repos/repo_abc123/dependencies`}
       </DocsCodeBlock>
 
@@ -127,7 +127,7 @@ export function APIAnalysisPage() {
       <h4 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mt-6 mb-2">Example</h4>
       <DocsCodeBlock language="bash">
 {`curl -X POST \\
-  -H "Authorization: Bearer YOUR_API_KEY" \\
+  -H "Authorization: Bearer <YOUR_API_KEY>" \\
   -H "Content-Type: application/json" \\
   -d '{"file_path": "src/auth/middleware.py"}' \\
   http://localhost:8000/api/v1/repos/repo_abc123/impact`}
@@ -216,7 +216,7 @@ export function APIAnalysisPage() {
 
       <h4 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mt-6 mb-2">Example</h4>
       <DocsCodeBlock language="bash">
-{`curl -H "Authorization: Bearer YOUR_API_KEY" \\
+{`curl -H "Authorization: Bearer <YOUR_API_KEY>" \\
   http://localhost:8000/api/v1/repos/repo_abc123/insights`}
       </DocsCodeBlock>
 

frontend/src/pages/api/APIOverviewPage.tsx

@@ -59,7 +59,7 @@ https://api.opencodeintel.com/api/v1`}
       </p>
 
       <DocsCodeBlock language="bash">
-{`curl -H "Authorization: Bearer YOUR_API_KEY" \\
+{`curl -H "Authorization: Bearer <YOUR_API_KEY>" \\
   http://localhost:8000/api/v1/repos`}
       </DocsCodeBlock>
 

frontend/src/pages/api/APIRepositoriesPage.tsx

@@ -53,7 +53,7 @@ export function APIRepositoriesPage() {
 
       <h4 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mt-6 mb-2">Example</h4>
       <DocsCodeBlock language="bash">
-{`curl -H "Authorization: Bearer YOUR_API_KEY" \\
+{`curl -H "Authorization: Bearer <YOUR_API_KEY>" \\
   http://localhost:8000/api/v1/repos`}
       </DocsCodeBlock>
 
@@ -115,7 +115,7 @@ export function APIRepositoriesPage() {
       <h4 className="text-sm font-semibold text-gray-400 uppercase tracking-wider mt-6 mb-2">Example</h4>
       <DocsCodeBlock language="bash">
 {`curl -X POST \\
-  -H "Authorization: Bearer YOUR_API_KEY" \\
+  -H "Authorization: Bearer <YOUR_API_KEY>" \\
   -H "Content-Type: application/json" \\
   -d '{"url": "https://github.com/user/my-project"}' \\
   http://localhost:8000/api/v1/repos`}

frontend/src/pages/api/APISearchPage.tsx

@@ -160,7 +160,7 @@ export function APISearchPage() {
       <h3 className="text-lg font-medium text-white mt-6 mb-3">Basic Search</h3>
       <DocsCodeBlock language="bash">
 {`curl -X POST \\
-  -H "Authorization: Bearer YOUR_API_KEY" \\
+  -H "Authorization: Bearer <YOUR_API_KEY>" \\
   -H "Content-Type: application/json" \\
   -d '{"query": "error handling", "repo_id": "repo_abc123"}' \\
   http://localhost:8000/api/v1/search`}
@@ -169,7 +169,7 @@ export function APISearchPage() {
       <h3 className="text-lg font-medium text-white mt-8 mb-3">Search with Filters</h3>
       <DocsCodeBlock language="bash">
 {`curl -X POST \\
-  -H "Authorization: Bearer YOUR_API_KEY" \\
+  -H "Authorization: Bearer <YOUR_API_KEY>" \\
   -H "Content-Type: application/json" \\
   -d '{
     "query": "database connection pool",