add mqtt base, fix mixer, fix masterthermostat, dallas fails, fix mult. roomctrl.

interface/src/validators/index.ts

@@ -2,3 +2,4 @@ export { default as isHostname } from './isHostname';
 export { default as isIP } from './isIP';
 export { default as optional } from './optional';
 export { default as or } from './or';
+export { default as isPath } from './isPath';

interface/src/validators/isPath.ts

@@ -0,0 +1,6 @@
+const pathLengthRegex = /^[^.]{0,108}$/
+const pathPatternRegex = /^([a-zA-Z0-9_][a-zA-Z0-9/_-]*[a-zA-Z0-9_])$/
+
+export default function isPath(path: string) {
+  return pathLengthRegex.test(path) && pathPatternRegex.test(path);
+}