chore: CSP без unsafe-eval, golangci.yml с gosec/bodyclose/gocritic/revive

backend/.golangci.yml

@@ -7,5 +7,11 @@ linters:
     - gosimple
     - ineffassign
     - unused
+    - gosec
+    - bodyclose
+    - gocritic
+    - revive
+    - misspell
+    - whitespace
 run:
   timeout: 5m

deploy/Caddyfile

@@ -36,7 +36,7 @@ http://{$DOMAIN} {
 		X-Frame-Options "DENY"
 		Referrer-Policy "strict-origin-when-cross-origin"
 		Permissions-Policy "geolocation=(self), microphone=(), camera=()"
-		Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://*.basemaps.cartocdn.com https://api.{$DOMAIN}; font-src 'self' data:; connect-src 'self' wss://api.{$DOMAIN} https://api.{$DOMAIN}; frame-ancestors 'none';"
+		Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://*.basemaps.cartocdn.com https://api.{$DOMAIN}; font-src 'self' data:; connect-src 'self' wss://api.{$DOMAIN} https://api.{$DOMAIN}; frame-ancestors 'none';"
 	}
 
 	@static {