Add support for EIP1193 providers and clean up provider standardization logic

packages/typescript-typings/types/ganache-core/index.d.ts

@@ -0,0 +1,16 @@
+declare module 'ganache-core' {
+    export interface GanacheOpts {
+        verbose?: boolean;
+        logger?: {
+            log(msg: string): void;
+        };
+        port?: number;
+        network_id?: number;
+        networkId?: number;
+        mnemonic?: string;
+        gasLimit?: number;
+        vmErrorsOnRPCResponse?: boolean;
+        db_path?: string;
+    }
+    export function provider(opts: GanacheOpts): GanacheProvider;
+}