changes to improve the general format of markdown files

CODE_OF_CONDUCT.md

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 # Contributor Covenant Code of Conduct
 
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 ## Our Pledge
 
 We as members, contributors, and leaders pledge to make participation in our
@@ -12,6 +13,7 @@ and orientation.
 We pledge to act and interact in ways that contribute to an open, welcoming,
 diverse, inclusive, and healthy community.
 
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 ## Our Standards
 
 Examples of behavior that contributes to a positive environment for our
@@ -36,6 +38,7 @@ Examples of unacceptable behavior include:
 * Other conduct which could reasonably be considered inappropriate in a
   professional setting
 
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 ## Enforcement Responsibilities
 
 Community leaders are responsible for clarifying and enforcing our standards of
@@ -56,6 +59,7 @@ Examples of representing our community include using an official e-mail address,
 posting via an official social media account, or acting as an appointed
 representative at an online or offline event.
 
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 ## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
@@ -66,11 +70,13 @@ All complaints will be reviewed and investigated promptly and fairly.
 All community leaders are obligated to respect the privacy and security of the
 reporter of any incident.
 
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 ## Enforcement Guidelines
 
 Community leaders will follow these Community Impact Guidelines in determining
 the consequences for any action they deem in violation of this Code of Conduct:
 
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 ### 1. Correction
 
 **Community Impact**: Use of inappropriate language or other behavior deemed
@@ -80,6 +86,7 @@ unprofessional or unwelcome in the community.
 clarity around the nature of the violation and an explanation of why the
 behavior was inappropriate. A public apology may be requested.
 
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 ### 2. Warning
 
 **Community Impact**: A violation through a single incident or series
@@ -92,6 +99,7 @@ includes avoiding interactions in community spaces as well as external channels
 like social media. Violating these terms may lead to a temporary or
 permanent ban.
 
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 ### 3. Temporary Ban
 
 **Community Impact**: A serious violation of community standards, including
@@ -103,6 +111,7 @@ private interaction with the people involved, including unsolicited interaction
 with those enforcing the Code of Conduct, is allowed during this period.
 Violating these terms may lead to a permanent ban.
 
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 ### 4. Permanent Ban
 
 **Community Impact**: Demonstrating a pattern of violation of community
@@ -112,6 +121,7 @@ individual, or aggression toward or disparagement of classes of individuals.
 **Consequence**: A permanent ban from any sort of public interaction within
 the community.
 
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 ## Attribution
 
 This Code of Conduct is adapted from the [Contributor Covenant][homepage],