Add initial configuration files: .env, .gitignore, and .prettierrc.json

Author: JesusRgil

.env

@@ -0,0 +1 @@
+# This file is intentionally left blank.

.gitignore

@@ -0,0 +1 @@
+node_modules

.prettierrc.json

@@ -0,0 +1,38 @@
+{
+    "overrides": [
+        {
+            "files": "*.sol",
+            "options": {
+                "printWidth": 80,
+                "tabWidth": 4,
+                "useTabs": false,
+                "singleQuote": false,
+                "bracketSpacing": false
+            }
+        },
+        {
+            "files": "*.yml",
+            "options": {}
+        },
+        {
+            "files": "*.yaml",
+            "options": {}
+        },
+        {
+            "files": "*.toml",
+            "options": {}
+        },
+        {
+            "files": "*.json",
+            "options": {}
+        },
+        {
+            "files": "*.js",
+            "options": {}
+        },
+        {
+            "files": "*.ts",
+            "options": {}
+        }
+    ]
+}