Add LessPass, Passit, Passy, and Psono to Tools/Pasword Manager category

Tools/Passwords_Manager/README.md

@@ -12,6 +12,13 @@
 * iOS app : No
 * Language : C (Backend), Angular2 (Frontend)
 
+### LessPass
+* Website : https://lesspass.com/
+* Dockerfile : Yes
+* Android app : [Yes](https://play.google.com/store/apps/details?id=com.lesspass.android&hl=en)
+* iOS app : No
+* Language : Python (Backend), NodeJS (Frontend)
+
 ### Passbolt
 * Website : https://www.passbolt.com/
 * Dockerfile : Yes
@@ -20,6 +27,27 @@
 * Language : PHP
 * Demo : https://demo.passbolt.com/
 
+### Passit
+* Website : https://passit.io/
+* Dockerfile : Yes
+* Android app : [Yes](https://play.google.com/store/apps/details?id=com.burkesoftware.Passit)
+* iOS app : No
+* Language : Python (Backend), AngularJS (Frontend)
+
+### Passy
+* Website : https://github.com/PASSYpw/PASSY
+* Dockerfile : No
+* Android app : No
+* iOS app : No
+* Language : PHP
+
+### Psono
+* Website : https://psono.com/
+* Dockerfile : Yes
+* Android app : No
+* iOS app : No
+* Language : Python (Backend), HTML (Frontend)
+
 ### sysPass
 * Website : http://www.syspass.org/index-en.html
 * Dockerfile : No