feat(unbound-method): add original unbound-method rule

src/rules/__tests__/fixtures/class.ts

@@ -0,0 +1,13 @@
+// used by no-throw-literal test case to validate custom error
+export class Error {}
+
+// used by unbound-method test case to test imports
+export const console = { log() {} };
+
+// used by prefer-reduce-type-parameter to test native vs userland check
+export class Reducable {
+  reduce() {}
+}
+
+// used by no-implied-eval test function imports
+export class Function {}

src/rules/__tests__/fixtures/foo.ts

@@ -0,0 +1 @@
+export type T = number;