[DCM KIT] Fix Markdown Linting Issues

[mhellmeier]

Due to the activation of the markdown linter in #674, several problems with different markdown files exist that need to be fixed.

Output:

docs-kits/kits/DCM Kit/page_adoption-view.md:15:1 MD009/no-trailing-spaces Trailing spaces [Expected: 0 or 2; Actual: 1]
docs-kits/kits/DCM Kit/page_adoption-view.md:18 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: "Today's challenge for automoti..."]
docs-kits/kits/DCM Kit/page_adoption-view.md:29 MD032/blanks-around-lists Lists should be surrounded by blank lines [Context: "- Define a common understandin..."]
docs-kits/kits/DCM Kit/page_adoption-view.md:33 MD032/blanks-around-lists Lists should be surrounded by blank lines [Context: "- Provisioning and consumption..."]
docs-kits/kits/DCM Kit/page_adoption-view.md:40 MD032/blanks-around-lists Lists should be surrounded by blank lines [Context: "- **Core Business logic** – to..."]
docs-kits/kits/DCM Kit/page_adoption-view.md:44 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: "POWER of STANDARD"]
docs-kits/kits/DCM Kit/page_adoption-view.md:48 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: "DATA SOVEREIGNTY in FOCUS"]
docs-kits/kits/DCM Kit/page_adoption-view.md:54 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: "INTEROPERABILITY at its BEST"]
docs-kits/kits/DCM Kit/page_adoption-view.md:60 MD036/no-emphasis-as-heading/no-emphasis-as-header Emphasis used instead of a heading [Context: "COLLABORATION is KEY"]
docs-kits/kits/DCM Kit/page_adoption-view.md:70:29 MD034/no-bare-urls Bare URL used [Context: "https://github.com/eclipse-tra..."]
docs-kits/kits/DCM Kit/page_adoption-view.md:71:29 MD034/no-bare-urls Bare URL used [Context: "https://github.com/eclipse-tra..."]
docs-kits/kits/DCM Kit/page_adoption-view.md:76 MD032/blanks-around-lists Lists should be surrounded by blank lines [Context: "- SPDX-License-Identifier: CC-..."]
docs-kits/kits/DCM Kit/page_changelog.md:10 MD025/single-title/single-h1 Multiple top-level headings in the same document [Context: "# DCM KIT"]
docs-kits/kits/DCM Kit/page_changelog.md:16 MD022/blanks-around-headings/blanks-around-headers Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "### Added"]
docs-kits/kits/DCM Kit/page_changelog.md:17 MD032/blanks-around-lists Lists should be surrounded by blank lines [Context: "- Adoption View"]
docs-kits/kits/DCM Kit/page_changelog.md:20 MD022/blanks-around-headings/blanks-around-headers Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "### Changed"]
docs-kits/kits/DCM Kit/page_changelog.md:23 MD022/blanks-around-headings/blanks-around-headers Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "### Removed"]
docs-kits/kits/DCM Kit/page_changelog.md:24:3 MD047/single-trailing-newline Files should end with a single newline character
docs-kits/kits/DCM Kit/page_development-view.md:16:107 MD009/no-trailing-spaces Trailing spaces [Expected: 0 or 2; Actual: 1]
docs-kits/kits/DCM Kit/page_development-view.md:98 MD031/blanks-around-fences Fenced code blocks should be surrounded by blank lines [Context: "```text"]
docs-kits/kits/DCM Kit/page_development-view.md:100 MD031/blanks-around-fences Fenced code blocks should be surrounded by blank lines [Context: "```"]
docs-kits/kits/DCM Kit/page_development-view.md:181 MD031/blanks-around-fences Fenced code blocks should be surrounded by blank lines [Context: "```text"]
docs-kits/kits/DCM Kit/page_development-view.md:183 MD031/blanks-around-fences Fenced code blocks should be surrounded by blank lines [Context: "```"]
docs-kits/kits/DCM Kit/page_development-view.md:189 MD031/blanks-around-fences Fenced code blocks should be surrounded by blank lines [Context: "```text"]
docs-kits/kits/DCM Kit/page_development-view.md:191 MD031/blanks-around-fences Fenced code blocks should be surrounded by blank lines [Context: "```"]
docs-kits/kits/DCM Kit/page_development-view.md:401:1 MD051/link-fragments Link fragments should be valid [Context: "[CX-0047](https://catena-x.net/de/standard-library) and the definitions in [CX-0046](#41-normative-references)"]
docs-kits/kits/DCM Kit/page_development-view.md:534:136 MD047/single-trailing-newline Files should end with a single newline character

[maximilianong]

@nhaenis can you look into this?

[nhaenis]

@maximilianong Done. Findings fixed by PR #708