Added Github supporting docs

Author: smtakeda

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,21 @@
+### Issue description
+Tell us what should happen and what happens instead
+
+### Example code
+```go
+If possible, please enter some example code here to reproduce the issue.
+```
+
+### Error log
+```
+If you have an error log, please paste it here.
+```
+
+### Configuration
+*Driver version (or git SHA):*
+
+*Go version:* run `go version` in your console
+
+*Server version:* E.g. 1.90.1
+
+*Client OS:* E.g. Debian 8.1 (Jessie), Windows 10

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,8 @@
+### Description
+Please explain the changes you made here.
+
+### Checklist
+- [ ] Code compiles correctly
+- [ ] Created tests which fail without the change (if possible)
+- [ ] All tests passing
+- [ ] Extended the README / documentation, if necessary

.travis.yml

@@ -0,0 +1,5 @@
+sudo: false
+language: go
+go:
+  - 1.8
+  - tip

CHANGELOG.md

@@ -0,0 +1,3 @@
+## Version 0.1 (TBD)
+
+Initial Alpha Release

CONTRIBUTING.md

@@ -0,0 +1,18 @@
+# Contributing Guidelines
+
+## Reporting Issues
+
+Before creating a new Issue, please check first if a similar Issue [already exists](https://github.com/snowflakedb/gosnowflake/issues?state=open) or was [recently closed](https://github.com/snowflakedb/gosnowflake/issues?direction=desc&page=1&sort=updated&state=closed).
+
+## Contributing Code
+
+By contributing to this project, you share your code under the Apache License 2, as specified in the LICENSE file.
+
+### Code Review
+
+Everyone is invited to review and comment on pull requests.
+If it looks fine to you, comment with "LGTM" (Looks good to me).
+
+If changes are required, notice the reviewers with "PTAL" (Please take another look) after committing the fixes.
+
+Before merging the Pull Request, at least one Snowflake team member must have commented with "LGTM".