Fix minor typos

[rollandf]

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[rollandf]

Signed CLA

[rollandf]

/assign @saad-ali

[okartau]

can we also (to save creation of separate PR) add in this PR fix of remaining two typos that I was able to spot:
under ## Deployment:

-The easiest way to test the Hostpath driver is to run `deploy/deploy-hostpath.sh` scrip as show:
+The easiest way to test the Hostpath driver is to run `deploy/deploy-hostpath.sh` script as shown:

[rollandf]

can we also (to save creation of separate PR) add in this PR fix of remaining two typos that I was able to spot:
under ## Deployment:

-The easiest way to test the Hostpath driver is to run `deploy/deploy-hostpath.sh` scrip as show:
+The easiest way to test the Hostpath driver is to run `deploy/deploy-hostpath.sh` script as shown:

Done

[okartau]

once I started piggy-backing my ideas onto another PR...
Some shell prompts in command examples are $ and some are $>, seems a copy-paste leftover artifact.
I propose to unify all to be $,
'>', with it's meaning in shell, is not friendly character in examples.

[rollandf]

once I started piggy-backing my ideas onto another PR...
Some shell prompts in command examples are $ and some are $>, seems a copy-paste leftover artifact.
I propose to unify all to be $,
'>', with it's meaning in shell, is not friendly character in examples.

Done

[okartau]

Based on proposal by @pohly, I included all fixes from here in #31, which is about big changes in README and would require rebase of this PR here anyway.