chore: configure linters

.eslintrc

@@ -0,0 +1,10 @@
+{
+  "extends": "richardpringle",
+  "env": {
+    "es2020": true,
+    "mocha": true
+  },
+  "rules": {
+    "no-unused-expressions": "off"
+  }
+}

.npmignore

@@ -0,0 +1,23 @@
+# Modules
+node_modules
+
+# dotenv environment variables file
+.env
+.env.test
+env
+.credentials
+credentials
+keys.json
+
+# Logs
+logs
+*.log
+
+# Optional npm cache directory
+.npm
+
+# builder cache
+.cache
+
+# workflows
+.github

.prettierrc

@@ -0,0 +1,34 @@
+{
+    "printWidth": 140,
+    "singleQuote": true,
+    "tabWidth": 4,
+    "useTabs": false,
+    "bracketSpacing": true,
+    "overrides": [
+        {
+            "files": "*.sol",
+            "options": {
+                "explicitTypes": "always"
+            }
+        },
+        {
+            "files": "*.js",
+            "options": {
+                "trailingComma": "all"
+            }
+        },
+        {
+            "files": "*.json",
+            "options": {
+                "tabWidth": 2,
+                "parser": "json-stringify"
+            }
+        },
+        {
+            "files": "*.yaml",
+            "options": {
+                "tabWidth": 2
+            }
+        }
+    ]
+}