Merge GET /db/:dbname/all route (#5)

* Add route GET /db/:dbname/all

Author: phillmac

src/lib/orbitdb-api.js

@@ -159,6 +159,12 @@ class OrbitdbAPI extends Express {
             return res.json(db.value)
         }));
 
+        this.get('/db/:dbname/all',  asyncMiddleware( async (req, res, next) => {
+            let db
+            db = await dbm.get(req.params.dbname)
+            return res.json(db.all())
+        }));
+
         this.get('/db/:dbname/:item',  asyncMiddleware( async (req, res, next) => {
             let result, contents
             contents = await getraw(req,res, next)