expansion-framework design detailed

Author: MaDongdong99

docs/design-proposals/expansion-framework.md

@@ -34,7 +34,7 @@ Expansion Framework will empower users to plan hook points while they are buildi
 
 ## Design
 
-- Users make package layout as blow, and expansion framework does the follow work:
+- Users make package layout as blow, and expansion framework does the following work:
     - Scan expansion directory to find expansion.yaml which specifies the layout
     - Verify files, hooks, images, charts materials
     - Merge hook config into tke.json
@@ -64,8 +64,8 @@ create_cluster_delegate_conditions: []
 - hooks: User put install hook files(pre-install,post-cluster-ready,post-install) into the ${EXPANSION_DIR}/hooks directory, and expansion framework will scan & check them, then override origin hook files by them.
 - provider: User put provider files into ${EXPANSION_DIR}/provider directory, and expansion framework will override the origin provider files
 - installer_skip_steps: Install step list that users want to skip, expansion framework will merge them into config.Skipsteps in tke.json
-- create_cluster_skip_conditions: Create cluster conditions list that user what to skip, expansion framework will merge them into cluster.feature.skipConditions in tke.json
-- create_cluster_delegate_conditions: Create cluster conditions list that user what to delegate to an external operator, expansion framework will merge them into cluster.feature.delegateConditions(which is a new configuration for TKEStack) in tke.json
+- create_cluster_skip_conditions: Create cluster conditions list that users want to skip, expansion framework will merge them into cluster.feature.skipConditions in tke.json
+- create_cluster_delegate_conditions: Create cluster conditions list that users want to delegate to an external operator, expansion framework will merge them into cluster.feature.delegateConditions(which is a new configuration for TKEStack) in tke.json
 - **note**: files may need to be rendered before they are copied.
 
 ### Mechanism of **delegate_conditions**