Add commands for searching and initiating private chats with users (ref #7)

package.json

@@ -10,13 +10,14 @@
 		"url": "https://github.com/tulir/mautrix-telegram.git"
 	},
 	"dependencies": {
-		"telegram-mtproto": "3.x.x",
-		"matrix-js-sdk": "0.x.x",
-		"matrix-appservice-bridge": "1.x.x",
-		"commander": "2.11.x",
-		"yamljs": "0.3.x",
 		"colors": "1.1.x",
-		"md5": "2.2.x"
+		"commander": "2.11.x",
+		"matrix-appservice-bridge": "1.x.x",
+		"matrix-js-sdk": "0.x.x",
+		"md5": "2.2.x",
+		"string-similarity": "^1.2.0",
+		"telegram-mtproto": "3.x.x",
+		"yamljs": "0.3.x"
 	},
 	"devDependencies": {
 		"eslint": "4.11.x",