Add dotenv configuration and user management routes

- Introduced dotenv for environment variable management.
- Created config module to handle configuration settings.
- Added user controller with functions to get and create users.
- Implemented user routes for API endpoints.
- Updated package.json and yarn.lock to include dotenv dependency.

yarn.lock

@@ -645,6 +645,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dotenv@npm:^17.4.2":
+  version: 17.4.2
+  resolution: "dotenv@npm:17.4.2"
+  checksum: 10c0/164f8e77a646c8446867d5b588d26ea6005c8ea7c5eb41cf926f6113d23f2191355f6e0cfd95ea9bab98394a5b0a3f1e51a8399711b666fe55cc7b0bd745f942
+  languageName: node
+  linkType: hard
+
 "dunder-proto@npm:^1.0.1":
   version: 1.0.1
   resolution: "dunder-proto@npm:1.0.1"
@@ -1000,6 +1007,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"inherits@npm:2.0.3":
+  version: 2.0.3
+  resolution: "inherits@npm:2.0.3"
+  checksum: 10c0/6e56402373149ea076a434072671f9982f5fad030c7662be0332122fe6c0fa490acb3cc1010d90b6eff8d640b1167d77674add52dfd1bb85d545cf29e80e73e7
+  languageName: node
+  linkType: hard
+
 "inherits@npm:2.0.4, inherits@npm:~2.0.4":
   version: 2.0.4
   resolution: "inherits@npm:2.0.4"
@@ -1286,6 +1300,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"path@npm:^0.12.7":
+  version: 0.12.7
+  resolution: "path@npm:0.12.7"
+  dependencies:
+    process: "npm:^0.11.1"
+    util: "npm:^0.10.3"
+  checksum: 10c0/f795ce5438a988a590c7b6dfd450ec9baa1c391a8be4c2dea48baa6e0f5b199e56cd83b8c9ebf3991b81bea58236d2c32bdafe2c17a2e70c3a2e4c69891ade59
+  languageName: node
+  linkType: hard
+
 "picomatch@npm:^2.0.4, picomatch@npm:^2.2.1":
   version: 2.3.2
   resolution: "picomatch@npm:2.3.2"
@@ -1307,6 +1331,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"process@npm:^0.11.1":
+  version: 0.11.10
+  resolution: "process@npm:0.11.10"
+  checksum: 10c0/40c3ce4b7e6d4b8c3355479df77aeed46f81b279818ccdc500124e6a5ab882c0cc81ff7ea16384873a95a74c4570b01b120f287abbdd4c877931460eca6084b3
+  languageName: node
+  linkType: hard
+
 "pstree.remy@npm:^1.1.8":
   version: 1.1.8
   resolution: "pstree.remy@npm:1.1.8"
@@ -1450,9 +1481,11 @@ __metadata:
     "@types/koa-bodyparser": "npm:^4"
     "@types/koa__cors": "npm:^5"
     "@types/node": "npm:^26.4.1"
+    dotenv: "npm:^17.4.2"
     koa: "npm:^3.2.1"
     koa-bodyparser: "npm:^4.4.1"
     nodemon: "npm:^3.1.14"
+    path: "npm:^0.12.7"
     tsx: "npm:^4.23.13"
     typescript: "npm:^5.9.3"
   languageName: unknown
@@ -1606,6 +1639,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"util@npm:^0.10.3":
+  version: 0.10.4
+  resolution: "util@npm:0.10.4"
+  dependencies:
+    inherits: "npm:2.0.3"
+  checksum: 10c0/d29f6893e406b63b088ce9924da03201df89b31490d4d011f1c07a386ea4b3dbe907464c274023c237da470258e1805d806c7e4009a5974cd6b1d474b675852a
+  languageName: node
+  linkType: hard
+
 "vary@npm:^1.1.2":
   version: 1.1.2
   resolution: "vary@npm:1.1.2"