Add tools category 'Other' with K8s related tools (#2300)

Add tools:

* IBM/operator-for-redis-cluster
* spotahome/redis-operator
* oliver006/redis_exporter.

Co-authored-by: Bjorn Svensson <[email protected]>
Co-authored-by: Itamar Haber <[email protected]>

Author: 3 people

tool_types.json

@@ -1,5 +1,6 @@
 {
     "cli": "CLI",
     "gui": "GUI",
-    "proxy": "Proxy"
+    "proxy": "Proxy",
+    "other": "Other"
 }

tools/other/github.com/IBM/operator-for-redis-cluster.json

@@ -0,0 +1,5 @@
+{
+    "name": "IBM Operator for Redis Cluster",
+    "description": "The goal of this project is to simplify the deployment and management of a Redis cluster in a Kubernetes environment. It started internally at Amadeus in 2016, where it was initially designed to run on Openshift. This is the third version of the Redis operator, which leverages the Operator SDK framework for operators.",
+    "homepage": "https://ibm.github.io/operator-for-redis-cluster"
+}

tools/other/github.com/oliver006/redis_exporter.json

@@ -0,0 +1,4 @@
+{
+    "name": "Prometheus Redis Metrics Exporter",
+    "description": "Prometheus exporter for Redis metrics."
+}

tools/other/github.com/spotahome/redis-operator.json

@@ -0,0 +1,4 @@
+{
+    "name": "Redis Operator",
+    "description": "Redis Operator creates/configures/manages high availability Redis with Sentinel automatic failover atop Kubernetes."
+}