Add three new tools to Ecosystem (#1562)

Signed-off-by: Chris Abraham <cjyabraham@gmail.com>

_ecosystem/colossal-llama-2

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+---
+layout: ecosystem_detail
+title: Colossal-LLaMA-2
+summary: A complete and open-sourced solution for injecting domain-specific knowledge into pre-trained LLM.
+link: https://github.com/hpcaitech/ColossalAI/tree/main/applications/Colossal-LLaMA-2
+summary-home: A complete and open-sourced solution for injecting domain-specific knowledge into pre-trained LLM.
+featured-home: false
+github-id: hpcaitech/ColossalAI
+date-added: 1/24/24
+---

_ecosystem/depyf

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+---
+layout: ecosystem_detail
+title: depyf
+summary: depyf is a tool to help users understand and adapt to PyTorch compiler torch.compile.
+link: https://github.com/thuml/depyf
+summary-home: depyf is a tool to help users understand and adapt to PyTorch compiler torch.compile.
+featured-home: false
+github-id: thuml/depyf
+date-added: 1/24/24
+---

_ecosystem/simulai

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+---
+layout: ecosystem_detail
+title: SimulAI
+summary: SimulAI is basically a toolkit with pipelines for physics-informed machine learning.
+link: https://github.com/IBM/simulai
+summary-home: SimulAI is basically a toolkit with pipelines for physics-informed machine learning.
+featured-home: false
+github-id: IBM/simulai
+date-added: 1/24/24
+---