docs: Typos fixed in multiple files of user-guide/creating-application

[SusheelThapa]

Description

This PR fix the typos that was present in user-guide/creating-application folder.

leve > level
paltform > platform
overriden > overridden
progresss > progress
fasle > false
elments > elements
prefered > preferred 
contoller > controller
Defalut > Default
mutiple > multiple
currect > current
pipilines > pipelines
Kuberentes > Kuberentes
environmet > environment
exmple > example
buld > build
DOCKER_IAMGE > DOCKER_IMAGE
Namepsace > Namespace

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

Checklist:

• The title of the PR states what changed and the related issues number (used for the release note).
• Does this PR requires documentation updates?
• I've updated documentation as required by this PR.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested it for all user roles.
• I have added all the required unit/api test cases.

Does this PR introduce a user-facing change?

[ashokdevtron]

Looks good. Approved.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[sonarcloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
2.8% Duplication on New Code

See analysis details on SonarCloud