docs: add kb manually update keyman for windows - #2206

docs: add kb manually update keyman for windows#2206

rc-swag wants to merge 3 commits into

masterkeymanapp/help.keyman.com:masterfrom

docs/2205/kb-manual-keyman-upgradekeymanapp/help.keyman.com:docs/2205/kb-manual-keyman-upgradeCopy head branch name to clipboard