update ihaskell jupyterlab extension and align directory name

jupyterlab-ihaskell/README.md

@@ -10,7 +10,7 @@ Haskell Syntax Highlighting in Jupyterlab
 ## Installation
 
 ```bash
-jupyter labextension install ihaskell_labextension
+jupyter labextension install jupyterlab-ihaskell
 ```
 
 ## Development

jupyterlab-ihaskell/package-lock.json

@@ -1,6 +1,6 @@
 {
-  "name": "ihaskell_jupyterlab",
-  "version": "0.0.7",
+  "name": "jupyterlab-ihaskell",
+  "version": "0.0.12",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

jupyterlab-ihaskell/package.json

@@ -1,6 +1,6 @@
 {
-  "name": "ihaskell_jupyterlab",
-  "version": "0.0.7",
+  "name": "jupyterlab-ihaskell",
+  "version": "0.0.12",
   "description": "adds ihaskell syntax highlighting to jupyterlab",
   "keywords": [
     "jupyter",