Add promformat

Author: mre

data/tags.yml

@@ -238,6 +238,9 @@
 - name: PowerShell
   value: powershell
   type: language
+- name: Prometheus
+  value: prometheus
+  type: other
 - name: Protocol Buffers
   value: protobuf
   type: other

data/tools/promformat.yml

@@ -2,7 +2,7 @@ name: promformat
 categories:
   - formatter
 tags:
-  - promql
+  - prometheus
 license: GPL-3.0
 types:
   - cli

data/tools/promval.yml

@@ -0,0 +1,13 @@
+name: promval
+categories:
+  - linter
+tags:
+  - prometheus
+license: MIT
+types:
+  - cli
+source: "https://github.com/facetoe/promval"
+homepage: "https://github.com/facetoe/promval"
+description: >-
+  PromQL validator written in Python.
+  It can be used to validate that PromQL expressions are written as expected.