Update patcher docs

docs/patchers.md

-## Patchers
+---
+title: Patchers
+has_children: false
+#nav_order: 1
+---
 
-* **ReplicaPatcher**: Allows to modify the number of Replicas for a kubernetes deployment.
+# Patchers
+
+Patchers can be seen as functions which take a value as input and modify a Kubernetes resource in a patcher-specific way.
+
+## Available Patchers
+
+* **ReplicaPatcher**: Allows to modify the number of Replicas for a Kubernetes deployment.
   * **type**: "ReplicaPatcher"
   * **resource**: "uc1-kstreams-deployment.yaml"
 
-* **NumSensorsLoadGeneratorReplicaPatcher**: Allows to scale the nummer of load generators. Scales arcording to the following formular: (value + 15_000 - 1) / 15_000
+* **NumSensorsLoadGeneratorReplicaPatcher**: Allows to scale the number of load generators. Scales according to the following formula: (value + 15_000 - 1) / 15_000
   * **type**: "NumSensorsLoadGeneratorReplicaPatcher"
   * **resource**: "uc1-load-generator-deployment.yaml"
 
-* **NumNestedGroupsLoadGeneratorReplicaPatcher**: Allows to scale the nummer of load generators. Scales arcording to the following formular: (4^(value) + 15_000 -1) /15_000
+* **NumNestedGroupsLoadGeneratorReplicaPatcher**: Allows to scale the number of load generators. Scales according to the following formula: (4^(value) + 15_000 -1) /15_000
   * **type**: "NumNestedGroupsLoadGeneratorReplicaPatcher"
   * **resource**: "uc1-load-generator-deployment.yaml"
 
-* **ReplicaPatcher**: Allows to modify the number of Replicas for a kubernetes deployment.
-  * **type**: "ReplicaPatcher"
-  * **resource**: "uc1-kstreams-deployment.yaml"
-
-* **EnvVarPatcher**: Allows to modify the value of an environment variable for a container in a kubernetes deployment. 
+* **EnvVarPatcher**: Allows to modify the value of an environment variable for a container in a Kubernetes deployment. 
   * **type**: "EnvVarPatcher"
   * **resource**: "uc1-load-generator-deployment.yaml"
   * **properties**:
     * container: "workload-generator"
     * variableName: "NUM_SENSORS"
 
-* **NodeSelectorPatcher**: Changes the node selection field in kubernetes resources.
+* **NodeSelectorPatcher**: Changes the node selection field in Kubernetes resources.
   * **type**: "NodeSelectorPatcher"
   * **resource**: "uc1-load-generator-deployment.yaml"
   * **properties**:
     * variableName: "env"
   * **value**: "prod"
 
-* **ResourceLimitPatcher**: Changes the resource limit for a kubernetes resource.
+* **ResourceLimitPatcher**: Changes the resource limit for a Kubernetes resource.
   * **resource**: "uc1-kstreams-deployment.yaml"
   * **properties**:
     * container: "uc-application"
     * variableName: "cpu" or "memory"
   * **value**:"1000m" or "2Gi"
   
-* **SchedulerNamePatcher**: Changes the sheduler for kubernetes resources.
+* **SchedulerNamePatcher**: Changes the scheduler for Kubernetes resources.
   * **type**: "SchedulerNamePatcher"
   * **resource**: "uc1-kstreams-deployment.yaml"
   * **value**: "random-scheduler"
 
-* **ImagePatcher**: Changes the image of a kubernetes resource. Currently not fully implemented.
+* **ImagePatcher**: Changes the image of a Kubernetes resource. Currently not fully implemented.
   * **type**: "ImagePatcher"
   * **resource**: "uc1-kstreams-deployment.yaml"
   * **properties**:
     * container: "uc-application"
-  * **value**: "dockerhubrepo/imagename"
+  * **value**: "dockerhub-org/image-name"